Arrange the following events in chronological sequence:
1. Ibn Battuta becomes qazi of Delhi
2. Ibn Battuta visits the Maldives
3. Ibn Battuta returns to Morocco
4. Ibn Battuta is imprisoned in Delhi
1
1 - 2 - 4 - 3
2
4 - 1 - 2 - 3
3
1 - 4 - 2 - 3
4
1 - 4 - 3 - 2